Where would I see tearing? I did not notice tearing but i really only ran your 5e files. I have not watched any movies with PocketTV. Is there a file and a particulr moment that I should look for?
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Where would I see tearing? I did not notice tearing but i really only ran your 5e files. I have not watched any movies with PocketTV. Is there a file and a particulr moment that I should look for?
With the A01 ROM, you can see of lot of tearing with both Betaplayer and PocketTV, on this test sequence.
Tearing is more visible when you have very fast motion, like in the part where the blue police car makes a U-turn.
Tearing is caused when the device displays part of a frame in the top of the screen (i mean, top if you look in Portrait orientation), and part of another frame in the bottom of the screen, and that happens because of an incorrect syncronization between the frame display (called frame flipping, because it's a "flip" between two video surfaces) and the screen vertical refresh. This synchronization problem is supposed to be fixed in the A02 ROM.
Last edited by PocketTV Team; 02-10-05 at 06:36 PM.
I see no tearing. I watched your 5e clip and Incredibles 2nd trailer. I only tried PocketTV briefly before you had 2700g support so I really couldn't tell you if I noticed it then with A01 rom.
I did not notice tearing with Betaplayer with version A01 rom though (and I watch a fair amount of video). Wasn't there a fix in Betaplayer for this?
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Dell Axim X50v
Kingston 512mb SD card
Sandisk Extreme III 1gb CF card
Extra 1100 mAh battery
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Yes, Betaplayer added a "Sleep" call to alleviate the tearing with A01 ROM, although for some reason this "fix" did not seem to work at all on our x50v. We still got lots of tearing with Betaplayer on our device, with this option selected or not.
> I see no tearing. I watched your 5e clip and Incredibles 2nd trailer
@PTV Team-What the hecks tearing? And I'm not trying to be facetious but cut the betaplayer chatter, okay? I mean its nice when you're working together but comparing the two products is like comparing apples and oranges.
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@PTV Team-What the hecks tearing? And I'm not trying to be facetious but cut the betaplayer chatter, okay? I mean its nice when you're working together but comparing the two products is like comparing apples and oranges.
Tearing is explained in post #107 above.
Tearing is a very common phenomenon that everyone familiar with playing video on mobile devices have experienced. It is basically caused by the lack of synchronization between the display vertical refresh and the video decoder.
We compare PocketTV and Betaplayer when it is relevant, i.e. with regard that both play MPEG video files, both are optimized for using the 2700G hardware accelerator to play in VGA on the x50v, and both are free for personal use. In this regard, there is sense in comparing them.
Last edited by PocketTV Team; 02-12-05 at 02:15 AM.
What About PictPocketCinema? It trumps you both codec-wise. Plays .mov, .wmv and .mpg files but not a peep. So I repeat, Why single out BetaPlayer? No need to answer I'm j/k.
Back on topic-What's a good .avi container to MPEG-1 convertor?
I know you know. :) Cut me some slack, okay... End the misery.
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What About PictPocketCinema? It trumps you both codec-wise. Plays .mov, .wmv and .mpg files but not a peep. So I repeat, Why single out BetaPlayer? No need to answer I'm j/k.
Back on topic-What's a good .avi container to MPEG-1 convertor?
I know you know. :) Cut me some slack, okay... End the misery.
I've never heard any information that PictPocketCinema was optimized for the 2700G and could play VGA the x50v, and PictPocketCinema is not free for personal use. If that was the case, we would certainely compare it too.
Last edited by PocketTV Team; 02-12-05 at 02:21 AM.
Back on topic-What's a good .avi container to MPEG-1 convertor?
I'd recommend tMPGEnc, free from www.tmpgenc.net . It's an excellent MPEG converter with many options.
Personally I use it in combination with AVISynth, which has a filter (MPEG2Source from MPEG2DEC.DLL) that does an excellent job for de-interlacing movies ripped from DVD's.
Are xvid files interlaced? I create xvid .avi files with Fairuse and want to convert them to try out the latest PocketTV Classic Edition. I've got an X50v so the closer a convertor gets me to 640 X 480 the happier I'll be. :)
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Are xvid files interlaced? I create xvid .avi files with Fairuse and want to convert them to try out the latest PocketTV Classic Edition. I've got an X50v so the closer a convertor gets me to 640 X 480 the happier I'll be. :)
That probably depends of the xvid files, but it is likely that they are NOT interlaced.
If they were, then you would see the interlaced effect as soon as you pause the video in a moving scene. The interlaced effect is that of two different frame alternating very rapidly when the video is paused. Moreover, it would be sub-optimum to code a movie in interlaced. It is much more efficient to de-interlace any 3:2 pull-down interlace that was created for display on NTSC-type TV sets.
If your PC has a netshow xvid codec installed (i.e. if you can play your xvid files with WMP on the PC), they the xvid files can be used as a source for tMPGENC. tMPEGEnc has no problems generating 640x480 MPEG files. That's what we used to create the test files in www.pockettv.com/mpg/vga/ .
Last edited by PocketTV Team; 02-12-05 at 05:55 AM.
Thanks for ending the misery PocketTV Team. :approve:
There are a couple of threads I need to post to to spread the word. I used tMPGENC with web content (not P2P) in my 320 X 240 days. It's good to know that a developer has tested it for newer devices. :approve:
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Thanks for ending the misery PocketTV Team. :approve:
There are a couple of threads I need to post to to spread the word. I used tMPGENC with web content (not P2P) in my 320 X 240 days. It's good to know that a developer has tested it for newer devices. :approve:
Yes, it works the same as with 320x480, except that:
1) it is more important to have a very good de-interlaced, progressive source when you use higher resolution.
2) the bitrate must be approximatly 4-times more than with QVGA, because there are 4 times more pixels to encode on 640x480 compared to 320x240. With MPEG, I found that bitrates in the range 1.7 to 2 Mbit/sec give good results if the source is clean 24 fps progressive.
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